IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-20. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

  1. 🔍 100% Sub tuum praesidiumSub tuum praesidium
  2. 🔍 49% Sancta... semper... allel.Sancta... semper... allel.
  3. 🔍 48% Sub tuum praesidiumSub tuum praesidium
  4. 🔍 44% Sub tuum praesidiumSub tuum praesidium
  5. 🔍 44% Benedicamus PatremBenedicamus Patrem
  6. 🔍 44% Ora pro nobis... allel.Ora pro nobis... allel.
  7. 🔍 43% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  8. 🔍 43% Omnes de SabaOmnes de Saba
  9. 🔍 43% Puer natus in BethlehemPuer natus in Bethlehem
  10. 🔍 43% Gloria et honore... allel.Gloria et honore... allel.
  11. 🔍 43% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  12. 🔍 42% Notum fecitNotum fecit
  13. 🔍 42% Sub tuum praesidiumSub tuum praesidium
  14. 🔍 42% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  15. 🔍 42% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  16. 🔍 42% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  17. 🔍 42% Alleluia (mode 8)Alleluia (mode 8)
  18. 🔍 42% Alleluia (mode 8)Alleluia (mode 8)
  19. 🔍 41% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  20. 🔍 41% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  21. 🔍 41% Repleti suntRepleti sunt
  22. 🔍 41% Omnes GentesOmnes Gentes
  23. 🔍 41% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  24. 🔍 41% Elevata estElevata est
  25. 🔍 40% Tuam coronamTuam coronam
  26. 🔍 40% Anima... liquefactaAnima... liquefacta
  27. 🔍 40% Sub tuum praesidiumSub tuum praesidium
  28. 🔍 40% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  29. 🔍 40% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  30. 🔍 40% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  31. 🔍 40% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  32. 🔍 40% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  33. 🔍 40% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  34. 🔍 40% Amavit eum... allelAmavit eum... allel
  35. 🔍 39% Sub tuum IISub tuum II
  36. 🔍 39% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  37. 🔍 39% Alleluia Omnes GentesAlleluia Omnes Gentes
  38. 🔍 39% Sancta Maria... allel.Sancta Maria... allel.
  39. 🔍 39% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  40. 🔍 39% Misericordia tuaMisericordia tua
  41. 🔍 39% AlleluiaAlleluia
  42. 🔍 39% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  43. 🔍 39% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  44. 🔍 39% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  45. 🔍 39% Ego dilecto meoEgo dilecto meo
  46. 🔍 39% Adorabunt eumAdorabunt eum
  47. 🔍 39% Salus et gloriaSalus et gloria
  48. 🔍 39% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  49. 🔍 39% Ascendit DeusAscendit Deus
  50. 🔍 38% Sub tuum praesidiumSub tuum praesidium
  51. 🔍 38% Justi autem... allel.Justi autem... allel.
  52. 🔍 38% Ipse invocabit meIpse invocabit me
  53. 🔍 38% Magna est gloria... allel.Magna est gloria... allel.
  54. 🔍 38% Domum tuam... allel.Domum tuam... allel.
  55. 🔍 38% Laetamini in Domino... allel.Laetamini in Domino... allel.
  56. 🔍 38% Sub tuum (cantus II)Sub tuum (cantus II)
  57. 🔍 38% Alleluia Lapis revolutusAlleluia Lapis revolutus
  58. 🔍 38% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  59. 🔍 38% Salus et gloria - mode IVSalus et gloria - mode IV
  60. 🔍 38% In conspectu... allel. (Resp Br)In conspectu... allel. (Resp Br)
  61. 🔍 38% Verbo DominiVerbo Domini
  62. 🔍 38% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  63. 🔍 38% Sub tuum praesidiumSub tuum praesidium
  64. 🔍 38% Adoramus te Christe (Resp Br.)Adoramus te Christe (Resp Br.)
  65. 🔍 38% DefeceruntDefecerunt